Shielding of high-energy electrons: The neutron and muon components

Bathow, G.; Freytag, E.; Tesch, K.

doi:10.1016/0029-554x(67)90362-x

Cited by 10 publications

(2 citation statements)

References 20 publications

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“…The quantities <e2> and e2> can be calculated from Eqs. (21) and (22) .when the functional form of W2(zt) is known and integrabie.…”

Section: Eygesmentioning

confidence: 99%

The shielding of muons around high energy electron accelerators: Theory and measurement

Nelson

1968

Nuclear Instruments and Methods

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The muon flux density and the absorbed dose rate that is produced when a high energy electron beam is completely attenuated in matter is calculated by integrating the muon pair production cross section over the photon distribution in the electromagnetic shower.Several cross section and photon track length formulae are examined.The Fermi-Eyges theory of multiple scattering is applied to the case of 1 to 20 GeV muons penetrating thick shields, and the results are folded into the production theory. An 18 GeV electron beam was used to produce muons in order to verify the theory. The results indicate that the theory, even with multiple scattering included, does not correctly predict the shape of the angular dose rate distribution, although integration over the theoretical and experimental curves gives agreement within experimental error.

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“…The quantities <e2> and e2> can be calculated from Eqs. (21) and (22) .when the functional form of W2(zt) is known and integrabie.…”

Section: Eygesmentioning

confidence: 99%

The shielding of muons around high energy electron accelerators: Theory and measurement

Nelson

1968

Nuclear Instruments and Methods

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“…The significant production of radioactivity in the earth beam dump was dominated by photonuclear reactions with the constituent elements of the soil. Several studies of the development of electron cascades have been reDownloaded by [Cornell University Library] at 11: 17 16 November 2014 ported in the literature with excellent bibliographies being given in the papers by Nelson et al 68 and Bathow et al 69 " 71 These studies show that the production of radioactivity is dominated by the electromagnetic cascade. More recent experiments in concrete 72 and earth 73 using 4-GeV electrons confirm these earlier findings.…”

Section: Concentrationmentioning

confidence: 98%